The most noteworthy event this week is Pluto moving into the fixed air sign of Aquarius on November 19. This heralds a new era as Pluto is a slow-moving planet, and it will stay in Aquarius until 2044 ...

At this time next year, NASA's probe New Horizons will fly by the planet-like object Pluto and discover more about the icy ball. The last time scientists reached for a major solar system body was ...

On Aug. 24, 2006, the International Astronomical Union voted to strictly define a planet, which ultimately downgraded Pluto from the ninth planet from the sun to a dwarf planet — causing controversy ...

Pluto was dismissed as a frozen has-been at the edge of the solar system. But when NASA finally got a close look, what they ...

A huge heart-shaped feature on the surface of Pluto has intrigued astronomers since NASA’s New Horizons spacecraft captured it in a 2015 image. Now, researchers think they have solved the mystery of ...

Kindness doesn’t cost a thing! Loving Venus sextiles transformative Pluto at 4:07 AM EST today, imbuing us with the courage ...